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path: root/drivers/input/joystick/xpad.c
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Diffstat (limited to 'drivers/input/joystick/xpad.c')
-rw-r--r--drivers/input/joystick/xpad.c123
1 files changed, 71 insertions, 52 deletions
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index f9fb7fa10af3..56abf3d0e911 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -543,21 +543,25 @@ exit:
static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad)
{
struct usb_endpoint_descriptor *ep_irq_out;
- int error = -ENOMEM;
+ int error;
if (xpad->xtype != XTYPE_XBOX360 && xpad->xtype != XTYPE_XBOX)
return 0;
xpad->odata = usb_alloc_coherent(xpad->udev, XPAD_PKT_LEN,
GFP_KERNEL, &xpad->odata_dma);
- if (!xpad->odata)
+ if (!xpad->odata) {
+ error = -ENOMEM;
goto fail1;
+ }
mutex_init(&xpad->odata_mutex);
xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL);
- if (!xpad->irq_out)
+ if (!xpad->irq_out) {
+ error = -ENOMEM;
goto fail2;
+ }
ep_irq_out = &intf->cur_altsetting->endpoint[1].desc;
usb_fill_int_urb(xpad->irq_out, xpad->udev,
@@ -728,7 +732,7 @@ static void xpad_led_disconnect(struct usb_xpad *xpad)
if (xpad_led) {
led_classdev_unregister(&xpad_led->led_cdev);
- kfree(xpad_led->name);
+ kfree(xpad_led);
}
}
#else
@@ -756,8 +760,9 @@ static void xpad_close(struct input_dev *dev)
{
struct usb_xpad *xpad = input_get_drvdata(dev);
- if(xpad->xtype != XTYPE_XBOX360W)
+ if (xpad->xtype != XTYPE_XBOX360W)
usb_kill_urb(xpad->irq_in);
+
xpad_stop_output(xpad);
}
@@ -789,8 +794,7 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
struct usb_xpad *xpad;
struct input_dev *input_dev;
struct usb_endpoint_descriptor *ep_irq_in;
- int i;
- int error = -ENOMEM;
+ int i, error;
for (i = 0; xpad_device[i].idVendor; i++) {
if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) &&
@@ -800,17 +804,23 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL);
input_dev = input_allocate_device();
- if (!xpad || !input_dev)
+ if (!xpad || !input_dev) {
+ error = -ENOMEM;
goto fail1;
+ }
xpad->idata = usb_alloc_coherent(udev, XPAD_PKT_LEN,
GFP_KERNEL, &xpad->idata_dma);
- if (!xpad->idata)
+ if (!xpad->idata) {
+ error = -ENOMEM;
goto fail1;
+ }
xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL);
- if (!xpad->irq_in)
+ if (!xpad->irq_in) {
+ error = -ENOMEM;
goto fail2;
+ }
xpad->udev = udev;
xpad->mapping = xpad_device[i].mapping;
@@ -887,15 +897,15 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
error = xpad_init_output(intf, xpad);
if (error)
- goto fail2;
+ goto fail3;
error = xpad_init_ff(xpad);
if (error)
- goto fail3;
+ goto fail4;
error = xpad_led_probe(xpad);
if (error)
- goto fail3;
+ goto fail5;
ep_irq_in = &intf->cur_altsetting->endpoint[0].desc;
usb_fill_int_urb(xpad->irq_in, udev,
@@ -907,34 +917,26 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
error = input_register_device(xpad->dev);
if (error)
- goto fail4;
+ goto fail6;
usb_set_intfdata(intf, xpad);
- /*
- * Submit the int URB immediatly rather than waiting for open
- * because we get status messages from the device whether
- * or not any controllers are attached. In fact, it's
- * exactly the message that a controller has arrived that
- * we're waiting for.
- */
if (xpad->xtype == XTYPE_XBOX360W) {
- xpad->irq_in->dev = xpad->udev;
- error = usb_submit_urb(xpad->irq_in, GFP_KERNEL);
- if (error)
- goto fail4;
-
/*
* Setup the message to set the LEDs on the
* controller when it shows up
*/
xpad->bulk_out = usb_alloc_urb(0, GFP_KERNEL);
- if(!xpad->bulk_out)
- goto fail5;
+ if (!xpad->bulk_out) {
+ error = -ENOMEM;
+ goto fail7;
+ }
xpad->bdata = kzalloc(XPAD_PKT_LEN, GFP_KERNEL);
- if(!xpad->bdata)
- goto fail6;
+ if (!xpad->bdata) {
+ error = -ENOMEM;
+ goto fail8;
+ }
xpad->bdata[2] = 0x08;
switch (intf->cur_altsetting->desc.bInterfaceNumber) {
@@ -955,14 +957,31 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
usb_fill_bulk_urb(xpad->bulk_out, udev,
usb_sndbulkpipe(udev, ep_irq_in->bEndpointAddress),
xpad->bdata, XPAD_PKT_LEN, xpad_bulk_out, xpad);
+
+ /*
+ * Submit the int URB immediately rather than waiting for open
+ * because we get status messages from the device whether
+ * or not any controllers are attached. In fact, it's
+ * exactly the message that a controller has arrived that
+ * we're waiting for.
+ */
+ xpad->irq_in->dev = xpad->udev;
+ error = usb_submit_urb(xpad->irq_in, GFP_KERNEL);
+ if (error)
+ goto fail9;
}
return 0;
- fail6: usb_free_urb(xpad->bulk_out);
- fail5: usb_kill_urb(xpad->irq_in);
- fail4: usb_free_urb(xpad->irq_in);
- fail3: xpad_deinit_output(xpad);
+ fail9: kfree(xpad->bdata);
+ fail8: usb_free_urb(xpad->bulk_out);
+ fail7: input_unregister_device(input_dev);
+ input_dev = NULL;
+ fail6: xpad_led_disconnect(xpad);
+ fail5: if (input_dev)
+ input_ff_destroy(input_dev);
+ fail4: xpad_deinit_output(xpad);
+ fail3: usb_free_urb(xpad->irq_in);
fail2: usb_free_coherent(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
fail1: input_free_device(input_dev);
kfree(xpad);
@@ -974,21 +993,24 @@ static void xpad_disconnect(struct usb_interface *intf)
{
struct usb_xpad *xpad = usb_get_intfdata (intf);
- usb_set_intfdata(intf, NULL);
- if (xpad) {
- xpad_led_disconnect(xpad);
- input_unregister_device(xpad->dev);
- xpad_deinit_output(xpad);
- if (xpad->xtype == XTYPE_XBOX360W) {
- usb_kill_urb(xpad->bulk_out);
- usb_free_urb(xpad->bulk_out);
- usb_kill_urb(xpad->irq_in);
- }
- usb_free_urb(xpad->irq_in);
- usb_free_coherent(xpad->udev, XPAD_PKT_LEN,
- xpad->idata, xpad->idata_dma);
- kfree(xpad);
+ xpad_led_disconnect(xpad);
+ input_unregister_device(xpad->dev);
+ xpad_deinit_output(xpad);
+
+ if (xpad->xtype == XTYPE_XBOX360W) {
+ usb_kill_urb(xpad->bulk_out);
+ usb_free_urb(xpad->bulk_out);
+ usb_kill_urb(xpad->irq_in);
}
+
+ usb_free_urb(xpad->irq_in);
+ usb_free_coherent(xpad->udev, XPAD_PKT_LEN,
+ xpad->idata, xpad->idata_dma);
+
+ kfree(xpad->bdata);
+ kfree(xpad);
+
+ usb_set_intfdata(intf, NULL);
}
static struct usb_driver xpad_driver = {
@@ -1000,10 +1022,7 @@ static struct usb_driver xpad_driver = {
static int __init usb_xpad_init(void)
{
- int result = usb_register(&xpad_driver);
- if (result == 0)
- printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
- return result;
+ return usb_register(&xpad_driver);
}
static void __exit usb_xpad_exit(void)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-11 11:00:32 +0000